Hydrohistorian
Rio Blanco at the Mouth near Trujillo
River gage · RIOMOUCO · Division 7 · Water District 29 · Archuleta County
The record
Period of record
1970-11-01 → 2026-07-06
Daily values
19,979
Latest cached reading
6.2 cfs (2026-07-06)
Trend
decreasing, -42.67 cfs/decade
Pettitt changepoint
~1999
Readings come from the weekly-refreshed cache, never fetched live — the date beside the value says exactly how fresh it is. The live gage is one click up.
Annual flow & trend
Loading chart…
Where it sits
Location as DWR records it (3).
Provenance
DWR station abbreviation RIOMOUCO; recorded station name “RIO BLANCO AT THE MOUTH NEAR TRUJILLO”; operated by DWR. Daily flows from the DWR HydroBase snapshot plus CDSS REST updates, refreshed on the weekly cycle. Trend statistics are Mann-Kendall (Hamed-Rao corrected) with Sen's slope in native cfs, the same numbers as the basin Trends tab.